Taking a screenshot of your boarding pass is a highly recommended backup strategy, but it should not be your only method of travel. In 2026, most scanners at security checkpoints and boarding gates can read a clear QR code from a screenshot just as well as they can from a "live" app. This is particularly useful in airports with spotty Wi-Fi or when your phone's data connection is weak. However, there are two major caveats: first, screenshots are static, meaning they will not update if your gate changes or your flight is delayed. Second, some high-security airports or specific airlines (like those using Apple Wallet or Google Wallet's dynamic "refreshing" barcodes) may occasionally reject a screenshot if the scanner requires a live, rotating security token. The "Gold Standard" for 2026 travel is to add your ticket to your Digital Wallet (which works offline and updates automatically), take a screenshot as a "Plan B," and carry a physical paper printout as a "Plan C" in case your phone battery dies or the screen is cracked.